chore: bump snapshot version to 1.0.4-SNAPSHOT

Author: aws-sdk-kotlin-ci

gradle.properties

@@ -8,10 +8,10 @@ kotlin.native.ignoreDisabledTargets=true
 org.gradle.jvmargs=-Xmx2G -XX:MaxMetaspaceSize=1G
 
 # SDK
-sdkVersion=1.0.3
+sdkVersion=1.0.4-SNAPSHOT
 
 # codegen
-codegenVersion=0.30.4
+codegenVersion=0.30.5-SNAPSHOT
 
 # kotlin
 kotlinVersion=1.9.20